/*body {
  padding: 0px;
  margin: 0px;
}
#lyrow,
#lyrow input,
#lyrow textarea,
#lyrow select,
#lyrow button {
  font-size: 12px;
  font-family: "Microsoft YaHei", "微软雅黑", MicrosoftJhengHei, "华文细黑",
    STHeiti, MingLiu;
}
#lyrow {
  height: 100vh;
  width: 100vw;
}
#lyrow div {
  min-height: 18px;
}
#lyrow input,
#lyrow textarea,
#lyrow select,
#lyrow button {
  border: rgb(235, 235, 235) 1px solid;
  border-radius: 3px;
  padding: 5px 8px;
  outline: 0;
}
#lyrow input:hover,
#lyrow textarea:hover,
#lyrow select:hover,
#lyrow button:hover {
  border: 1px solid #6bc1f2;
}
*/
table{
  border-collapse: collapse;
}
table,table tr td { 
  border:1px solid #ccc; 
}
table tr td{
  padding: 5px 10px;
}

body {margin: 0;}

ul.topnav {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: rgb(0, 119, 255);
}

ul.topnav li {float: left;}

ul.topnav li span {
    display: block;
    color: rgb(255, 255, 255);
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}


ul.topnav li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

ul.topnav li a:hover:not(.active) {background-color: rgb(0, 98, 209);}

ul.topnav li a.active {background-color: #4CACAF;}

ul.topnav li span.highlight {background-color: #4cacaf;}

.cannotuse{
  background-color: #143c3d;
  color:azure;
}

ul.topnav li.right {float: right;}

@media screen and (max-width: 600px){
    ul.topnav li.right, 
    ul.topnav li {float: none;}
}